Home / 174,048.40-261,036.15-85,365.55

Finding the Fourth Proportional to 174,048.40, 261,036.15 and 85,365.55

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Solution

The fourth proportional to 174,048.40, 261,036.15 and 85,365.55 is: 128,030.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,048.40 : 261,036.15 = 85,365.55 : x
  2. Step 2: Convert to fraction form
    174,048.40/261,036.15 = 85,365.55/x
  3. Step 3: Cross multiply
    174,048.40x = 261,036.15 × 85,365.55
  4. Step 4: Simplify right side
    174,048.40x = 22,283,494,514.63
  5. Step 5: Solve for x
    x = 22,283,494,514.63/174,048.40
  6. Step 6: Final answer
    x = 128,030.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.